Quick Disconnect Couplings and Plugs by Kuriyama® are brass, semi-automatic and rated to 300 PSI. Industrial Interchange.
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Industrial Interchange Brass Air Couplers with Male Thread
Industrial Interchange Air Couplers with Female Thread
Industrial Interchange Quick Disconnect Air Couplers with Hose Barb
Industrial Interchange Quick Disconnect Plugs with Male Thread
Industrial Interchange Quick Disconnect Plugs with Female Thread
Industrial Interchange Quick Disconnect Plugs with Hose Barb